Lubricating device.



No. 838,380. PATENTED DEC. 11, 1906.

0. T. GARNAHAN.

LUBRIGATING DEVICE.

APPLICATION FILED JULY 31, 1906'.

I 2 SHEETS-SHEET 1.

PATENTED DEC. 11, 1906. C T. GAR-NAHAN. LUBRIGATING DEVICE.

APPLIOATION FILED JULY 31', 1906.

2 SHEETS-SHEET 2,

CHARLES T. OARNAHAN,

OF DENVER, COLORADO.

LUBRICATING DEVICE.

Specification of Letters Patent.

Patented Dec. 11, 1906.

Application filed July 31,1906. Serial No. 328,582.

To aZZ whom. it may concern:

Be it known that I, CHARLES T. OARNA- HAN, a citizen of the United States, residing at Denver, in the county of Denver and State of Colorado, have invented new and useful Improvements in Lubricating Devices, of which the following is a specification.

This invention relates to automatic lubricating devices particularly adapted for lubricating inclosed reciprocatory elements.

Primarily the inventionis designed for use in connection with pneumatically-operated tools and other pneumatically-operated devices, yet the invention is adapted for use for any purposes wherein it is found applica- To this end the invention consists in providing the interior of the cylinder of a reciprocating element with means for automatically supplying a lubricant to the interior of the cylinder during the movement of the reciprocatory element, thereby causing an automatic lubrication of the said element.

The invention further aims to provide a lubricating device which shall be automatic in its action, efficient in its use, durable, and readily set up with respect to the part or parts which is or are to be lubricated.

With the foregoing and other objects in view, the invention consists in the construction, combination, and arrangement of parts hereinafter more specifically described, and illustrated in the accompanying drawings, wherein is shown the preferred embodiment of the invention; but it is to be understood that changes, variations, and modifications can be resorted to which come within the scope of the claims hereunto appended.

In describing the invention in detail reference is had to the accompanying drawings,

in which Figure 1 is a sectional view showing the adaptation of the lubricating device in accordance with this invention in connection with one end of a pneumatic hammer. Fig. 2 is a like view showing the arrangement of the lubricating device when the hammer is connected to an automatic feeder therefor. Fig. 3 is a like view showing a modification.

Referring to Fig. 1 of the drawings,,1 denotes a cylinder having one end thereof closed through the medium of a cap 2, the cap being interiorly screw-threaded and engaging with the peripheral threads formed on the cylinder. The cap 2 has a protuberance 3, hollowed out, as at 4, so as to provide a lubricant-reservoir communicating with an outlet-channel 6, formed in the top of. the cap. An apertured plug 7 is secured in the outer end of the reservoir, and the wall of the valve-seat 9 for the valve 10, which is carried above an apertured disk 13, fixed in the plug 7. The valve 10 is retained against its seat through the medium of a contractible, and

the disk 13. When pressure is applied tothe valve 10 the same is removedfrom its seat, consequently opening the aperture the plug 7 and allowing the reservoir to .be rea suitable lubricating material. When ressure is removed from the valve 10, the latter automatically seats itself, owin to phonetion of the spring 11. Arrange within the is an annular substantially solid or imperforate plece of fibrousmaterial 12, concavoconvex 1n CTOSS-SGCtlOIL-fitnCl preferablyconwise dressed skin of an animal. Said piece of fibrous material formsa pocket l4within the cap, and completely filling the ;said pocket is a body of absorbent material 15,

cylinder, the perimeter of the said annular piece of material 12 is ,OlitIIlPGClbGtWGGIl the edge of the cylinder 1 and theinner face of cant from the reservoir, to. the body ofabsorbent material, the outlet-channel ,6..has mounted therein apin-valve 16, one endof which is formed with a .head ,17, and the the pin-valve from passing, entirely through the openingthat is to say, the bent over portion 18 will prevent the valve from passing out of the channel in the other direction. The pin-valve is adjustedv so that there is very little end motion, as the pressure comes started. Then the toolis started, the oil passes through the channel 6 into the pocket and saturates the absorbent materialtherein retained. As the annular iece of.

sisting of a piece of tanned, tawed, or other;

opening 8 through the plug 7 constitutes a 5 expansible spring 11 which is mounted upon.

plenished through the apertured disk 13 with,

cap 2 and projecting into the cylinder when, a the cap is secured tothe end of the cylinder preferably a mass of comminuted sponge. When the cap 2 is secured to the endofthe 1 the cap. To regulate the feed ofthelubriother end is bent over to engage the bottom wall of the reservoir, as at; 18, which prevents IOO . ing out of the channel in one direction and the head 17 will preventthe valve frornpasson it and is released when thehammeris material is substantially solid, there are. no

- stated that the cylinder-cap is at its top interiorly provided with a screw-threaded opening into which engages one end of the feeder, the said end of the feeder being exteriorly screw-threaded and engaging with the inte rior screw-threads of the cap. The bindingnut 21 is provided to prevent separation of the. feeder and the cap. That end of the feeder 19 which engages the cap 20 is formed with a pocket 22, constituting a lubricantreservoir, the wall of said pocket having a screw-threaded opening in which engages a screw-threaded plug 23 of the same construction and with the same valvular arrangement and disk as that referred to in connection with the plug 7. That end of the pocket in the feeder which adjoins the pocket formed in the cap by the concavo-convex piece of fibrous material is closed through the medium of a disk 24, secured to the wall of the pocket in the feeder, said disk being pro vided with an outlet-channel 25, in which is a rranged a valve similar to the valve 16 in In Fig. 3 the feeder is indicated by the ref erence character 26, and the pocket, which tutesa means forfilling the reservoir.

constitutes a lubricating-reservoir, by the reference character 27. Thewall of the pocket is provided with an opening 28,

The opening 28 consti- Se cured in one end of the pocket 27 is a plug 28 having a recess 29 which opens into a conducting-tube 30, the latter extending toward the opposite end of the pocket 27. The plug 28 is furthermore provided with a chan nel 31, communicating with a pocket 27 through the medium of a port 32, in which is arranged a pin-valve 33 of the same construction as the valve 16. (Shown in Fig. 1.) The arrangement shown in Fig. 3 is used when the feeder is connected to a pneumatic hammer for drilling up holes. In the construction shown in Fig. 2 it has been found that when drilling up holes it was somewhat difficult to closed by a plug 29.

get all the oil out of the reservoir, whereas by employing the tube 30 it enables when drilling up holes to get all the oil 'out of the reservoir, as the tube extends close to the bottom wall 34 of the reservoir. The recess 29 and the channel 31 communicate with the pocket formed by the annular piece of fibrous material secured in the cap.

From the foregoing construction of lubricating device it is evident that a device of such class is set up which will automatically lubricate the interior of the cylinder during the movement of the reciprocatory element within the cylinder, and it is thought the many advantages of such form of lubricating device can be readily understood.

Although the lubricating device is shown in connection with a pneumatic hammer as well as an automatic feeder for pneumatic hammers, yet it is understood that the automatic lubricating device can be used and adapted for any purposes wherein it is found applicable.

Having thus fully described my invention,

what I claim as new, and desire to secure by Letters Patent, is

1. An automatic lubricating device for in closed reciprocatory elements embodying a cupshaped piece of fibrous material arranged in'the line of the path of said element and constituting a pocket, a body of absorbent material in said pocket, and means for establishing communication between the said pocket and a lubricant-supply.

2. An automatic lubricating device for inclosed reciprocatory elements embodying a cup-shaped piece of fibrous material arranged in the line of the path of said element and constituting a pocket, a body of absorbent with said pocket.

4. In an automatic lubricating device, the combination with a cylinder and a reciprocatory element arranged therein, of a cupshaped member formed of porous material secured in one end of the cylinder and constituting a pocket, a body of absorbent material in said pocket, a lubricating-reservoir carried by the cylinder and communicating with said pocket, and means for regulating the feed of the lubricant from the reservoir to the pocket.

5. A lubricating device for inclosed reciprocatory elements comprising a leather cup arranged in the line of the path of said element and through which the lubricant is drawn during the reciprocation of the said element, said cup constituting a pocket, an absorbent body mounted in said pocket, and a lubricant-supply communicating with the said pocket.

6. A lubricating device for inclosed recip- IIO rocatory elements comprising a leather cup arranged in the line of the path of said element and through which the lubricant is drawn during the reciprocation of the said element, said cup constituting a pocket, an absorbent body mounted in said pocket, a lubricant-supply communicating with the said pocket, and means for regulating the feed of a lubricant from the lubricant-supply to the said pocket.

7. An automatic lubricating device for reciprocatory elements comprising a cupshaped member formed of porous material arranged in the line of the path of the element and through which the lubricant is drawn, said member constituting a pocket, an absorbent body mounted in said pocket, and a lubricant -reservoir communicating with said pocket.

8. An automatic lubricating device for reciprocatory elements comprising a cupshaped member formed of porous material arranged in the line of the path of the element and though which the lubricant is drawn, said member constituting a pocket, an absorbent body mounted in said pocket, a lubricant-reservoir communicating with said pocket, and a valve-closure'for said reservoir.

9. An automatic lubricating device for reciprocatory elements comprising a cupshaped member formed of porous material arranged in the line of the path of the ele ment and through which the lubricant is drawn, said member constituting a pocket, an absorbent body mounted in said pocket, a lubricant;-reservoir communicating with said pocket, and means for regulating the feed of the lubricant from the reservoir to the pocket.

10. An automatic lubricating device for reciprocatory elements comprising a cupshaped member formed of porous material arranged in the line of the path of the ele ment and through which the lubricant is drawn, said member constituting a pocket, an absorbent body mounted in said pocket, a lubricant-reservoir communicating with said pocket, means for regulating the feed of the lubricant from the reservoir to the pocket, and a valveclosure for said reservoir.

11. An automatic lubricating device for reciprocatory elements comprising a leather cup arranged inthe line of the path of the element and through which the lubricant is drawn during the reciprocation or the ele ment, said cup COIlSt-illllliflg a pocket, a body of sponge mounted in said pocket, and a lubricant-reservoir communicating with the pocket.

12. An automatic lubricating device for reciprocatory elements comprising a leather cup arranged in the line of the path of the element and through which the lubricant is drawn during the reciprocation of the ele ment, said cup constituting a pocket, a body of sponge mount ed in said pocket, a lubricantreservoir communicating with the pocket, and means for regulating the feed of the lubricant from the reservoir to the pocket.

13..An automatic lubricating device for reciprocatory elements comprising a leather cup arranged in the line of the ath of the element and through which the ubricant is drawn during the reciprocation of the ele ment, said cup constituting a pocket, a body of sponge mounted in said pocket, a lubricant reservoir communicating with the pocket, means for regulating the feed of the lubricant from the reservoir to the pocket, and a valveclosure for aid reservoir.

14. An automatic lubricating device for reciprocatory elements comprisin a cupshaped member formed of porous material arranged in the line of the path of the ele ment and through which a'lu bricant is drawn during the reciprocation of the element, said member constituting a pocket, an absorbent body mounted in said pocket, a lubricant-reservoir, a channel establishing communication between the reservoir and the pocket for supplying the lubricant to the pocket, and a pin-valve mounted in said channel for regulating the How of the lubricant.

15. An automatic lubricating device for reciprocatory elements comprising a cupshaped member formed of porous material arranged in the line of the path of the element and through which a lubricant is drawn during the reciprocation of the element, said member constituting a pocket, an absorbent body mounted in said pocket, a lubricantreservoir, a channel establishing communication between the reservoir and the pocket for supplying the lubricant to the pocket, a pinvalve mounted in said channel for regulating the flow of the lubricant, and an automatic closable valve for said reservoir.

16. An automatic lubricating device for inclosed reciprocatory elements comprising a lubricant-reservoir having an outlet and a stationary imperforate body arranged in the line of the path of said element and at the front of and of greater diameter than said .outlet and through which the lubricant is caused to permeate by the reciprocation of said element thereby lubricating the latter.

17. An automatic lubricating device for rcciprocatory elements comprising the com bination with a cylinder and a piston reciprocating therein, of a lubricant-supply opening into the cylinder, and an imperforate body arranged in front of the point of communica tion between the lubricating-supply and the cylinder and through which the lubricant is caused to permeate by the reciprocation of the piston thereby lubricating the latter.

18. An automatic lubricating device for reciprocatory elements comprising the combination with a cylinder and a piston reciprocating therein, of a lubricating-supply opening into the cylinder at the head thereof, .and 1 an imperforate body arranged against the in- L ner face of'the head ofthec-ylinderand in the Q line of the path of said piston and through which the lubricantzis caused to permeate by 1 the reciprocation of the piston thenebylubriterial arranged in the line of the path of said cating the latter.

19. In an automatic lubricating device, the combination with a cylinder and :a recip- T rocatory element therein, of a cup-shaped; member formed of porous material arranged within and secured at one end of the cylinder and constituting .a pocket, and a lubricatingreservoir carried by the cylinder and comm municating with said pocket.

20. Inanautomatic lubricating device the combination withza cylinder and a reciprocatory element therein, of a cup-shaped :member formed of porous material arranged Withinand secured at oneendof the cylindera-nd constituting a pocket, a lubricating-reservoir carried by the cylinder and communicating with said pocket, and means for regulating the feed of the lubricant from the reservoir to the pocket.

21. A lubricating device for pistons comprising'an imperforate member of porous material arranged in the line of the path of said piston and through which the lubricant is drawn during the reciprocation of said piston, and means for supplying lubricant to one side of said member.

22. A lubricating device for pistons comprising .a cup-shaped member of porous mapiston and through which the lubricant is drawn during the reciprocation of said pistion, said member constituting a pocket, and a lubricant-supply communicating with the said pocket.

23. A lubricating device for pistons comprising a cup-shaped member of porous materialarranged in the line of the ath of said piston and through which the ubricant is drawn during the reciprocation of said piston, said member constituting a pocket, a lubricant-supply communicating with said pocket, and means for regulating the supply of lubricant to said pocket.

In testimony whereof I have hereunto set my hand in presence of two subscribing witnesses.

CHARLES T. CARNAHAN. Witnesses:

H. S. PHILLIPS, LATIM'ER FOPL'ESS. 

